.emoji-content-box {
  position: relative;
  display: flex;
  flex-direction: column-reverse;
}

.menu-list {
  width: 100%;
  white-space: pre;
  overflow-x: auto;
  caret-color: transparent;
  margin: 16px 0;
  width: 100%;
  min-width: 200px;
}

.menu-item {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: calc(100% / 7);
  height: 50px;
  cursor: pointer;
}
.menu-item:nth-child(n + 1) {
  border-left: #999 1px solid;
}
.menu-item-hover {
  background-color: #f5f6f7;
  transition: all 0.3s;
}

.menu-item-img {
  width: 49px;
  height: 49px;
}

.emoji-list-box {
  height: 420px;
  overflow: hidden;
  background-color: #f5f6f7;
  box-shadow: inset 0 1px 1px #ccc, 0 0 8px #ccc;
}
.emoji-classify-item {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  height: 0;
  width: 100%;
  overflow: hidden;
  border-top: none;
  box-sizing: content-box;
}

.classify-selected {
  height: auto;
  max-height: 420px;
  overflow-y: auto;
  transition: all 0.3s;
}

.select-item {
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  box-sizing: content-box;
  padding: 10px;
  float: left;
}

.select-item-img {
  width: 49px;
  height: 49px;
  transform: scale(1);
  transition: all 0.3s;
}

/* 更改滚动条样式 */
.classify-selected::-webkit-scrollbar {
  /*滚动条整体样式*/
  width: 10px; /*高宽分别对应横竖滚动条的尺寸*/
  height: 1px;
}
.classify-selected::-webkit-scrollbar-thumb {
  /*滚动条里面小方块*/
  border-radius: 10px;
  background-color: #999;
}
.classify-selected::-webkit-scrollbar-track {
  /*滚动条里面轨道*/
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  background: #ededed;
  border-radius: 10px;
}
